Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof showing the state that only theoutside door at the upper-right part of the refrigerator has beenopened;

FIG. 9 is a perspective view thereof showing the state that all thedoors (the door-in-door) at the right part of the refrigerator have beenopened; and,

FIG. 10 is a perspective view thereof showing the state that all thedoors of the refrigerator have been opened.

The ornamental design for a refrigerator, as shown and described.